# OCILob::erase

(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)

OCILob::erase — Erases a specified portion of the internal LOB data

### Beschreibung

public OCILob::erase(?int `$offset` = `null`, ?int `$length` = `null`): int|false

Erases a specified portion of the internal LOB data starting at a specified `offset`. If called without parameters, it erases all LOB data.

For BLOBs, erasing means that the existing LOB value is overwritten with zero-bytes. For CLOBs, the existing LOB value is overwritten with spaces.

### Parameter-Liste

`offset`

`length`

### Rückgabewerte

Returns the actual number of characters/bytes erased Bei einem Fehler wird `false` zurückgegeben..

### Changelog

Version | Beschreibung
--- | ---
8.0.0, PECL OCI8 3.0.0 | `offset` and `length` are now nullable.
8.0.0, PECL OCI8 3.0.0 | The OCI-Lob class was renamed to OCILob to align with PHP naming standards.

### Siehe auch

- OCILob::truncate

`↑` and `↓` to navigate • `Enter` to select • `Esc` to close • `/` to open